how to play warrock on vista??

how do u play warrock on vista? it is saying: cannot extract a zip file (updater.zip) so guys please help me how to play it on vista

run as admin it works

i dont even run it as admin ...
Just let it run as windows xp.
U have to do the same with Visual Studio .Net 2003 ...
It doesnt want to install else because it cant install .NET frameworks and stuff ...
Still dindt work, just installed it on other pc and copyed it to vista pc same with vb6